nacl_init

src/untrusted/init/process_lib.cc

+// Copyright (c) 2013 The Native Client Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "native_client/src/untrusted/init/process_lib.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+// TODO(bsy) get rid of debug printfs
+
+// The header files below access private, not-guaranteed-to-be-stable
+// ABIs/APIs.
+#include "native_client/src/public/imc_syscalls.h"
+#include "native_client/src/public/name_service.h"
+#include "native_client/src/trusted/service_runtime/include/bits/nacl_syscalls.h"
+#include "native_client/src/trusted/service_runtime/include/sys/nacl_kernel_service.h"
+
+// get NACL_SYSCALL_BLOCK_SIZE, NACL_SYSCALL_START_ADDR
+#include "native_client/src/trusted/service_runtime/nacl_config.h"
+
+namespace nacl {
+
+SrpcClientConnection::SrpcClientConnection() : initialized_(false) {}
+
+SrpcClientConnection::~SrpcClientConnection() {
+  if (initialized_) {
+    close(desc_);
+    NaClSrpcDtor(&chan_);
+  }
+}
+
+bool SrpcClientConnection::InitializeFromConnectedDesc(int desc) {
+  if (!NaClSrpcClientCtor(&chan_, desc)) {
+    fprintf(stderr,
+            "SrpcClientConnection::InitializeFromConnectedDesc failed\n");
+    return false;
+  }
+  desc_ = desc;
+  initialized_ = true;
+  return true;
+}
+
+bool SrpcClientConnection::InitializeFromConnectionCapability(int cap) {
+  int conn = imc_connect(cap);
+  if (-1 == conn) {
+    fprintf(stderr,
+            "SrpcClientConnection:InitializeFromConnectionCapability"
+            " imc_connect failed, error %d\n", errno);
+    return false;
+  }
+  return InitializeFromConnectedDesc(conn);
+}
+
+NaClErrorCode ServiceRuntimeClient::RunNaClModule(int module_descriptor) {
+  NaClSrpcResultCodes result;
+  int status;
+  if (!initialized()) {
+    return LOAD_INTERNAL;
+  }
+  printf("Entered RunNaClModule\n");
+  printf("chan: %p\n", (void*) chan());
+  // TODO(bsy): srpc signature should be in a header file
+  result = NaClSrpcInvokeBySignature(chan(), "load_module:hs:",
+                                     module_descriptor, "aux info");
+  printf("load_module result %d\n", result);
+  if (NACL_SRPC_RESULT_OK != result) {
+    fprintf(stderr, "load_module RPC failed (%d): %s\n",
+            result, NaClSrpcErrorString(result));
+    return LOAD_INTERNAL;
+  }
+  result = NaClSrpcInvokeBySignature(chan(), "start_module::i", &status);
+  printf("start_module result %d\n", result);
+  if (NACL_SRPC_RESULT_OK != result) {
+    fprintf(stderr, "start_module RPC failed (%d): %s\n",
+            result, NaClSrpcErrorString(result));
+    return LOAD_INTERNAL;
+  }
+  printf("start_module status: %d\n", status);
+  return static_cast<NaClErrorCode>(status);
+}
+
+}  // namespace nacl